Chemistry 0620 · IGCSE · Electrolysis

Electrolysis — practice question

Three substances are shown below. 1 copper 2 dilute sulfuric acid 3 solid lead(II) bromide Which of these substances conduct electricity?

  • A1, 2 and 3
  • B1 and 2 only
  • C1 and 3 only
  • D2 and 3 only

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